Mensik Ousts Shelton as Montreal QFs Swept in Rain-Delayed Blitz

Monday's storms over the Stade IGA forced organizers into a scramble. Every one of the four National Bank Open quarterfinals was postponed to Tuesday — and the compressed, all-day session produced exactly the intensity the situation demanded. By the time the last ball was struck, all four matches had delivered a clear verdict: Jakub Mensik, Daniel Merida Aguilar, Rafael Jodar and Luciano Darderi are through.

Defending Champion Shelton Falls to Mensik

Ben Shelton entered the week as the man to beat, the Montreal title he had claimed 12 months ago still fresh. Jakub Mensik dismantled that standing in 89 minutes. The Czech 20-year-old was relentlessly consistent from the baseline, drawing Shelton into unforced errors and converting the chances that came his way with calm efficiency. A 6-4, 7-5 scoreline confirmed Mensik's passage to his first Masters 1000 semifinal. Shelton's serve — usually his greatest weapon — failed to generate the free points he needed, and Mensik barely blinked throughout. It is the clearest sign yet that the Czech's game has reached a new level of reliability on hard courts.

Jodar in Command, Merida Makes His Mark

Rafael Jodar has been the form player of the fortnight, and his quarterfinal against Arthur Fils added another chapter to that story. The Spaniard was clinical throughout a 6-3, 6-3 victory, pressing Fils into defensive positions with heavy groundstrokes and closing out points with assurance. Fils, who had looked sharp in the earlier rounds, found no counter-strategy that worked against an opponent whose tennis was simply a step above.

Daniel Merida Aguilar followed with an equally authoritative display. Against Learner Tien — considered by many as the day's most dangerous remaining draw — Merida produced a 6-3, 6-1 performance that few predicted. The result carried him inside the world top 50 for the first time in his career. A week ago he was outside the top 60; now he stands two wins from his first Masters 1000 title. The manner of the win — composed, efficient, dominant in the key moments — signalled a player who has been underrated for most of the summer.

Darderi Completes the Set With a Comeback

The day's most dramatic match closed the session. Luciano Darderi surrendered the opening set to Brandon Nakashima, who took it 6-4 to seize early control of the court and momentum. From one set down, Darderi shifted gears entirely: he took the second 6-3 and then ground out a tense, attritional third set 7-5 to complete a 4-6, 6-3, 7-5 win. It is the deepest run of his career at Masters 1000 level and the result that sealed an all-post-2000 semifinal lineup.

Semifinal Matchups

Wednesday's semifinals at the Stade IGA will pit Mensik against Jodar and Merida against Darderi. Every player in the last four is making his Masters 1000 semifinal debut, and every match offers a realistic path to a first title at this level. The tournament final is scheduled for Thursday, August 13.

All four players were born after January 1, 2000 — extending the historic record this draw set when the quarterfinal field was confirmed. Montreal 2026 has already written its place in the game's record books. The final chapters arrive Wednesday.